- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04162431
DOLPHIN-VIVO: Diagnosis Of LymPHoma IN Vivo (Ex Vivo Phase) (DOLPHIN-VIVO)
Diagnosis Of Lymphoma In Vivo Using Vibrational Spectroscopy (Ex Vivo Phase)
Lymphoma diagnosis often involves removal and biopsy of one or more lymph nodes. Many (around half) of these diagnostic procedures show that no cancer is present, hence unnecessary removal results in numerous side effects and complications. The procedure is also highly invasive.
The investigators have already shown that it is possible to tell the difference between healthy and diseased tissue in the laboratory by looking at the light emitted by tissue when a low power laser is shone on to it. The investigators intend to use this technique, known as "Raman Spectroscopy" (RS) to tell if tissue in the node is cancerous or healthy. By combining RS with a fine needle, the technique can target tissues below the skin with minimal invasion. Our needle will provide the clinician with instant diagnosis without the delay and cost of a laboratory analysis by pathologists.
The investigators have designed a probe that slides through a fine needle, guided by ultrasound, to the lymph node. The space between the two needles provides space for cell aspirate.
The investigators propose to measure spectra from excess lymph node biopsy samples taken during standard routine diagnostic biopsy.
The investigators are also interested to see if they can successfully extract a fine needle aspiration (FNA) biopsy sample using the device, as well as record a RS measurement. If successful this would ease clinical adoption as the study could run in parallel with existing standard routine clinical practice, using just one device.
This study will evaluate the new device on half a lymph node that will be excised and snap-frozen during a routine surgical biopsy, to gather data for submission of approvals for an in-vivo study to follow.
Study Overview
Status
Conditions
Detailed Description
Surplus lymph node tissue collected from patients undergoing routine surgical treatment for head & neck disease will be investigated using vibrational spectroscopy.
The project will develop a combined FNA/Raman spectroscopy needle probe. This study will evaluate this device on excised lymph node tissue to gather data for submission of approvals for an in-vivo study to follow. Raman & FTIR (fourier transform infrared) spectra will be correlated with routine histopathology results using multivariate analysis methods. Cytology samples taken using the device will be compared with histopathology results.
Aims
To demonstrate that the FNA/Raman spectroscopy probe device, developed as part of this project, can:
Safely perform measurement of Raman spectra on excised lymph node tissue Safely perform FNA (fine needle aspiration) biopsies on excised lymph node tissue To evaluate the performance of a Raman needle probe to detect lymphoma & malignancy in excised head & neck lymph nodes and differentiate from benign nodes.
To develop the investigators understanding of vibrational spectroscopy signal characteristics in head & neck lymph nodes (through Raman & FTIR mapping measurements of tissue sections).
Objectives To test a new combined FNA and spectroscopic device on ex vivo tissue in preparation for an in vivo study.
Outcome
Primary Outcome Measures The FNA/Raman spectroscopy probe device can be used safely on excised lymph nodes to measure tissue spectra and collect FNA biopsies.
Diagnostic performance of vibrational spectroscopy for differentiation of lymphoma & malignant nodes from benign nodes.
Secondary Outcome Measures Evaluation of the performance of a Raman needle probe to detect lymphoma & malignancy in excised head & neck lymph nodes and differentiate from benign nodes. To develop the investigators understanding of vibrational spectroscopy signal characteristics in head & neck lymph nodes (through Raman & FTIR mapping measurements of tissue sections).
Evaluation of the performance of a Raman needle probe to measure head & neck lymph nodes (ergonomic design, ease of use etc.).
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Antony Walsh
- Phone Number: 01392 726621
- Email: A.walsh3@exeter.ac.uk
Study Locations
-
-
Gloucestershire
-
Gloucester, Gloucestershire, United Kingdom, GL1 3NN
- Recruiting
- Gloucestershire Hospitals NHS Foundation Trust
-
Contact:
- Julia Hall
- Phone Number: 03004225466
- Email: julia.hall9@nhs.net
-
Principal Investigator:
- Charlie Hall
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients undergoing biopsy or excision of lymph nodes as part of their routine clinical care within Gloucestershire Hospitals NHS Foundation Trust.
- Patients undergoing lymphadenectomy as part of routine treatment
Exclusion Criteria:
- Patients unable to consent to the study due to communication difficulties
- Patients unable to consent to the study due to lack of capacity
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
non-hodgkin lymphoma
patients diagnosed with non-hodgkin lymphoma
|
measurement of the tissue with spectroscopy
Other Names:
a fine needle aspiration (FNA) biopsy will be taken
Other Names:
Histopathology and cytology will be performed on the samples
|
hodgkin lymphoma
patients diagnosed with hodgkin lymphoma
|
measurement of the tissue with spectroscopy
Other Names:
a fine needle aspiration (FNA) biopsy will be taken
Other Names:
Histopathology and cytology will be performed on the samples
|
squamous cell carcinoma
patients diagnosed with squamous cell carcinoma
|
measurement of the tissue with spectroscopy
Other Names:
a fine needle aspiration (FNA) biopsy will be taken
Other Names:
Histopathology and cytology will be performed on the samples
|
reactive
patients diagnosed with a reactive (non-cancerous) lymph node
|
measurement of the tissue with spectroscopy
Other Names:
a fine needle aspiration (FNA) biopsy will be taken
Other Names:
Histopathology and cytology will be performed on the samples
|
other
none of the above.
Other cancer and non-cancer conditions
|
measurement of the tissue with spectroscopy
Other Names:
a fine needle aspiration (FNA) biopsy will be taken
Other Names:
Histopathology and cytology will be performed on the samples
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Safe spectroscopic measurement
Time Frame: 3 years
|
The FNA/Raman spectroscopy probe device can be used safely on excised lymph nodes to measure tissue spectra and collect FNA biopsies.
|
3 years
|
Diagnostic discrimination
Time Frame: 3 years
|
Diagnostic performance of vibrational spectroscopy for differentiation of lymphoma & malignant nodes from benign nodes
|
3 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cancer Performance evaluation
Time Frame: 3 years
|
Evaluation of the performance of a Raman needle probe to detect lymphoma & malignancy in excised head & neck lymph nodes and differentiate from benign nodes
|
3 years
|
Understanding of Raman on lymph nodes
Time Frame: 3 years
|
To develop our understanding of vibrational spectroscopy signal characteristics in head & neck lymph nodes (through Raman & FTIR mapping measurements of tissue sections).
|
3 years
|
General Performance evaluation
Time Frame: 3 years
|
Evaluation of the performance of a Raman needle probe to measure head & neck lymph nodes (ergonomic design, ease of use etc.)
|
3 years
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Nick Stone, University of Exeter
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1819/31
- II-LB-1117-20002 (Other Grant/Funding Number: NIHR)
- 258155 (Registry Identifier: IRAS)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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